13893929 has 8 divisors (see below), whose sum is σ = 16426560. Its totient is φ = 11498256.

The previous prime is 13893923. The next prime is 13893931. The reversal of 13893929 is 92939831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13893929 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13893929.

It is not an unprimeable number, because it can be changed into a prime (13893923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34019 + ... + 34424.

It is an arithmetic number, because the mean of its divisors is an integer number (2053320).

Almost surely, 2^13893929 is an apocalyptic number.

It is an amenable number.

13893929 is a deficient number, since it is larger than the sum of its proper divisors (2532631).

13893929 is an equidigital number, since it uses as much as digits as its factorization.

13893929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68479.

The product of its digits is 104976, while the sum is 44.

The square root of 13893929 is about 3727.4561030279. The cubic root of 13893929 is about 240.4040012605.

The spelling of 13893929 in words is "thirteen million, eight hundred ninety-three thousand, nine hundred twenty-nine".